Car comparison

Mercedes-Benz E-class Coupe (C238) · Facelift 2020 E 450vsMercedes-Benz GLC Coupe (C254) GLC 450d

Compare specs, acceleration, fuel consumption, dimensions, practicality, and estimated running costs side by side.

New comparison

Mercedes-Benz E-class Coupe (C238) · Facelift 2020

E 450

367 hp2999 ccGasolineAWDAutomaticTurbochargedCoupe2020-2023

Mercedes-Benz GLC Coupe (C254)

GLC 450d

367 hp2989 ccDieselAWDAutomaticTwin-turboCoupe2023-present

Comparison overview

Use the estimates as comparison hints and verify exact figures before making decisions.

Mercedes-Benz GLC Coupe (C254) GLC 450d

Quickest 0-100 km/h
4.7 s
Highest torque
750 Nm
553 lb-ft
Lowest combined fuel consumption
6.9 L/100 km
34.1 mpg US
40.9 mpg UK
Best estimated range
899 km
558 mi
Largest trunk
545 L
Best overall score
75/100
Best performance score
76/100
Best economy score
88/100
Best practicality score
72/100

Mercedes-Benz E-class Coupe (C238) Facelift 2020 E 450

Fastest top speed
265 km/h
165 mph Unrestricted
250 km/h
155 mph Restricted
Most powerful
367 hp
274 kW
Lightest
1,890 kg
4,167 lb
Best power-to-weight
194 hp/t
145 kW/t
5.1 kg/hp

Specification comparison

Specification comparison
Model	Mercedes-BenzE-class Coupe (C238)Facelift 2020E 450	Mercedes-BenzGLC Coupe (C254)GLC 450d
Power	367hp274kW	367hp274kW
Torque	500Nm369lb-ft	750Nm553lb-ft
Curb weight	1,890kg4,167lb	2,025kg4,464lb
Gross weight	2,505kg5,523lb	2,620kg5,776lb
Top speed	Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph Calculated	Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph Calculated
To 99% top speed	70.1s99% target: 262 km/h / 163 mph Calculated	75.2s99% target: 257 km/h / 160 mph Calculated
0-100 km/h	5.0s	4.7s
0-200 km/h	17.7s Calculated	18.4s Calculated
0-60 mph	4.8s Calculated	4.5s Calculated
Fuel consumption	8.4L/100 km28mpg US33.6mpg UK	6.9L/100 km34.1mpg US40.9mpg UK
Fuel consumption city	11.6L/100 km20.3mpg US24.4mpg UK	-
Fuel consumption highway	6.5L/100 km36.2mpg US43.5mpg UK	-
Quarter mile	13.1s Calculated	12.9s Calculated
Power-to-weight	194hp/t145kW/t88hp/1000 lb Calculated	181hp/t135kW/t82hp/1000 lb Calculated
Torque-to-weight	265Nm/t177lb-ft/ton Calculated	370Nm/t248lb-ft/ton Calculated
Estimated range	786km488mi Calculated	899km558mi Calculated
Displacement	2,999cc183cu in	2,989cc182cu in
Length	4,835mm190in	4,764mm188in
Width	1,860mm73in	1,890mm74in
Height	1,428mm56in	1,605mm63in
Wheelbase	2,873mm113in	2,888mm114in
Front track	1,605mm63in	1,627mm64in
Rear track	1,609mm63in	1,640mm65in
Ground clearance	-	193mm8in
Trunk volume	405L	545L
Max trunk volume	-	1,490L
Doors	2	5
Seats	4	5
Fuel tank	66L	62L
CO2 emissions	192g/km	-

Performance charts

Use the estimates as comparison hints and verify exact figures before making decisions.

Dyno simulation

Estimated stock-style power and torque curves by engine speed.

Mercedes-Benz E-class Coupe (C238) Facelift 2020 E 450Mercedes-Benz GLC Coupe (C254) GLC 450dPowerTorque

Dyno simulation data table
Vehicle	Peak power RPM	Peak torque RPM	Max engine speed
Mercedes-BenzE-class Coupe (C238)Facelift 2020E 450	-	1,600-4,500 rpm	4,750 rpm
Mercedes-BenzGLC Coupe (C254)GLC 450d	4,000 rpm	1,350-2,800 rpm	4,250 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
Metric	Mercedes-BenzE-class Coupe (C238)Facelift 2020E 450	Mercedes-BenzGLC Coupe (C254)GLC 450d
	Acceleration checkpoints
0-60 mph 0-97 km/h	4.8 s	4.5 s
0-100 km/h 0-62 mph	5.0 s	4.7 s
0-200 km/h 0-124 mph	17.7 s	18.4 s
Top speed	Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph Limited	Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph Limited
	Drag race simulation
60 ft 18 m	2.2 s	2.0 s
330 ft 101 m	5.7 s	5.5 s
1/8 mile 201 m	8.6 s	8.4 s
1000 ft 305 m	11.1 s	10.9 s
1/4 mile 402 m	13.1 s	12.9 s
Trap speed 1/4 mile 402 m	176 km/h 109 mph	174 km/h 108 mph

Power comparison

Bar comparison chart for Power. Higher is better · hp / kW

Chart data table
Vehicle	Value
Mercedes-BenzE-class Coupe (C238)Facelift 2020E 450	367 hp 274 kW
Mercedes-BenzGLC Coupe (C254)GLC 450d	367 hp 274 kW

Torque comparison

Bar comparison chart for Torque. Higher is better · Nm / lb-ft

Chart data table
Vehicle	Value
Mercedes-BenzE-class Coupe (C238)Facelift 2020E 450	500 Nm 369 lb-ft
Mercedes-BenzGLC Coupe (C254)GLC 450d	750 Nm 553 lb-ft

Curb weight comparison

Bar comparison chart for Curb weight. Lower is better · kg / lb

Chart data table
Vehicle	Value
Mercedes-BenzE-class Coupe (C238)Facelift 2020E 450	1,890 kg 4,167 lb
Mercedes-BenzGLC Coupe (C254)GLC 450d	2,025 kg 4,464 lb

Top speed without limiter comparison

Bar comparison chart for Top speed without limiter. Higher is better · km/h / mph

Chart data table
Vehicle	Value
Mercedes-BenzE-class Coupe (C238)Facelift 2020E 450	Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph
Mercedes-BenzGLC Coupe (C254)GLC 450d	Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph

0-100 km/h comparison

Bar comparison chart for 0-100 km/h. Lower is better · seconds

Chart data table
Vehicle	Value
Mercedes-BenzE-class Coupe (C238)Facelift 2020E 450	5.0 s
Mercedes-BenzGLC Coupe (C254)GLC 450d	4.7 s

The biggest 0-100 km/h difference is between Mercedes-Benz GLC Coupe (C254) GLC 450d and Mercedes-Benz E-class Coupe (C238) Facelift 2020 E 450: 0.3 s.

Fuel consumption comparison

Bar comparison chart for Fuel consumption. Lower is better · L/100 km / mpg US / mpg UK

Chart data table
Vehicle	Value
Mercedes-BenzE-class Coupe (C238)Facelift 2020E 450	8.4 L/100 km 28.0 mpg US 33.6 mpg UK
Mercedes-BenzGLC Coupe (C254)GLC 450d	6.9 L/100 km 34.1 mpg US 40.9 mpg UK

The biggest fuel consumption difference is between Mercedes-Benz GLC Coupe (C254) GLC 450d and Mercedes-Benz E-class Coupe (C238) Facelift 2020 E 450: 1.5 L/100 km.

Power-to-weight comparison

Bar comparison chart for Power-to-weight. Higher is better · hp/t / kW/t

Chart data table
Vehicle	Value
Mercedes-BenzE-class Coupe (C238)Facelift 2020E 450	194 hp/t 145 kW/t 5.1 kg/hp
Mercedes-BenzGLC Coupe (C254)GLC 450d	181 hp/t 135 kW/t 5.5 kg/hp

Estimated range comparison

Bar comparison chart for Estimated range. Higher is better · km / mi

Chart data table
Vehicle	Value
Mercedes-BenzE-class Coupe (C238)Facelift 2020E 450	786 km 488 mi
Mercedes-BenzGLC Coupe (C254)GLC 450d	899 km 558 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
Vehicle	Power	Acceleration	Top speed
Mercedes-BenzE-class Coupe (C238)Facelift 2020E 450	367 hp 274 kW	5.0 s	Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph
Mercedes-BenzGLC Coupe (C254)GLC 450d	367 hp 274 kW	4.7 s	Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph

Most attractive quadrant

Scatter chart with performance score on the X axis and practicality score on the Y axis.

Vehicle

Performance score

Practicality score

Mercedes-BenzE-class Coupe (C238)Facelift 2020E 450

Power	367 hp 274 kW
0-100 km/h	5.0 s
Top speed Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph

Doors/seats	2 doors 4 seats
Trunk	405 L 14.3 cu ft
Length	4,835 mm 190.4 in
Height	1,428 mm 56.2 in

Mercedes-BenzGLC Coupe (C254)GLC 450d

Power	367 hp 274 kW
0-100 km/h	4.7 s
Top speed Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph

Doors/seats	5 doors 5 seats
Trunk	545 L 19.2 cu ft
Length	4,764 mm 187.6 in
Height	1,605 mm 63.2 in

Performance vs fuel economy

Cars closer to the top-right corner combine stronger performance with better fuel economy scores.

Vehicle

Performance score

Fuel economy score

Mercedes-BenzE-class Coupe (C238)Facelift 2020E 450

Power	367 hp 274 kW
0-100 km/h	5.0 s
Top speed Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph

8.4 L/100 km

28.0 mpg US

33.6 mpg UK

Mercedes-BenzGLC Coupe (C254)GLC 450d

Power	367 hp 274 kW
0-100 km/h	4.7 s
Top speed Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph

6.9 L/100 km

34.1 mpg US

40.9 mpg UK

Mercedes-Benz GLC Coupe (C254) GLC 450d is closest to the top-right balance target for performance and fuel economy.

Acceleration vs fuel consumption

Cars closer to the lower-left corner offer a better mix of quick acceleration and low fuel consumption.

Acceleration vs fuel consumption data table
Vehicle	Fuel consumption, L/100 km	0-100 km/h, s
Mercedes-BenzE-class Coupe (C238)Facelift 2020E 450	8.4 L/100 km 28.0 mpg US 33.6 mpg UK	5.0 s
Mercedes-BenzGLC Coupe (C254)GLC 450d	6.9 L/100 km 34.1 mpg US 40.9 mpg UK	4.7 s

Power-to-weight vs fuel consumption

The shaded area favors higher power-to-weight with lower combined fuel consumption.

Power-to-weight vs fuel consumption data table
Vehicle	Power-to-weight, hp/t	Fuel consumption, L/100 km
Mercedes-BenzE-class Coupe (C238)Facelift 2020E 450	194 hp/t 145 kW/t 5.1 kg/hp	8.4 L/100 km 28.0 mpg US 33.6 mpg UK
Mercedes-BenzGLC Coupe (C254)GLC 450d	181 hp/t 135 kW/t 5.5 kg/hp	6.9 L/100 km 34.1 mpg US 40.9 mpg UK

Detailed score breakdown

Vehicle

Mercedes-BenzE-class Coupe (C238)Facelift 2020E 450

Mercedes-BenzGLC Coupe (C254)GLC 450d

Power

367 hp

274 kW

367 hp

274 kW

Torque

500 Nm

369 lb-ft

750 Nm

553 lb-ft

Acceleration

5.0 s

4.7 s

Top speed

Unrestricted

265 km/h165 mph

Restricted

250 km/h155 mph

Unrestricted

260 km/h162 mph

Restricted

250 km/h155 mph

Lightness

1,890 kg

4,167 lb

2,025 kg

4,464 lb

Fuel consumption

8.4 L/100 km

28.0 mpg US

33.6 mpg UK

6.9 L/100 km

34.1 mpg US

40.9 mpg UK

Practicality

Doors/seats	2 doors 4 seats
Trunk	405 L 14.3 cu ft
Length	4,835 mm 190.4 in
Height	1,428 mm 56.2 in

Doors/seats	5 doors 5 seats
Trunk	545 L 19.2 cu ft
Length	4,764 mm 187.6 in
Height	1,605 mm 63.2 in

Range score

786 km

488 mi

899 km

558 mi

CO2 score

192 g/km

Trunk score

405 L

14.3 cu ft

545 L

19.2 cu ft

Power-to-weight score

194 hp/t

145 kW/t

5.1 kg/hp

181 hp/t

135 kW/t

5.5 kg/hp

Overall

Fixed score

Fuel cost and annual usage

Estimate running costs from combined consumption, your annual distance, and the fuel price in your local currency.

Average annual distanceDistance unitFuel price in your local currencyPrice unit

Enter the fuel price in your local currency, for example €/L, $/gal, £/L or any other local currency.

LC = Local Currency

Fuel cost and annual usage
Vehicle	Mercedes-Benz E-class Coupe (C238) Facelift 2020 E 450	Mercedes-Benz GLC Coupe (C254) GLC 450d
Consumption	8.4 L/100 km28 mpg US33.6 mpg UK	6.9 L/100 km34.1 mpg US40.9 mpg UK
Cost / 100 km	14.70 LC100 km	12.08 LC100 km
Cost / 100 mi	23.66 LC100 mi	19.43 LC100 mi
Annual fuel used	1,260 L333 US gal277 UK gal	1,035 L273 US gal228 UK gal
Annual fuel cost	2,205 LC/year	1,811 LC/year